/Engine/Source/Runtime/UMG/Public/Blueprint/SlateBlueprintLibrary.h
Absolute coordinates could be either desktop or window space depending on what space the root of the widget hierarchy is in.
true if the provided location in absolute coordinates is within the bounds of this geometry.
static bool IsUnderLocation ( const [FGeometry](API\Runtime\SlateCore\Layout\FGeometry) & Geometry, const FVector2D & AbsoluteCoordinate )